let hasMoney = true
let hasTime = true

console.log(hasMoney && hasMoney) //true

hasTime = false
console.log(hasMoney && hasMoney) //false


let hasCard = false
let hasCash = true
console.log(hasCard || hasCash ) //true

hasCash = false
console.log(hasCard || hasCash) //false

let isRaining = true
console.log("isRaining: ", !isRaining) //false


console.log(!!"Hello") //true
console.log(!!0) //false
console.log(!!null)  //false